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Finding the Fourth Proportional to 8,124.71, 12,187.10 and 2,502.31

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Solution

The fourth proportional to 8,124.71, 12,187.10 and 2,502.31 is: 3,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.71 : 12,187.10 = 2,502.31 : x
  2. Step 2: Convert to fraction form
    8,124.71/12,187.10 = 2,502.31/x
  3. Step 3: Cross multiply
    8,124.71x = 12,187.10 × 2,502.31
  4. Step 4: Simplify right side
    8,124.71x = 30,495,859.22
  5. Step 5: Solve for x
    x = 30,495,859.22/8,124.71
  6. Step 6: Final answer
    x = 3,753.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.